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What are the latest processing techniques for silicone hoses and silicone strips?

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What are the latest processing techniques for silicone hoses and silicone strips?    

medical grade silicone tube  

To make the silicone hose, firstly press it into a middle-layer rubber sheet by a calender, add a release agent to wind it and cut it to the specified width according to the process requirements;

wind the inner-layer rubber hose containing the silicone hose with the winding machine or braiding machine with copper-plated steel wire or copper-plated. The steel wire rope and silicone hose are simultaneously wound on the winding machine or braiding machine between every two layers of copper-plated steel wire or copper-plated steel wire rope, and the winding wire is bound at the beginning and end (some early winding machines require the copper-plated steel wire to be pre-processed). Stress setting treatment); the inner layer rubber, middle layer rubber and outer layer rubber are mixed with a mixer according to the formula for the silicone hose; the inner layer rubber tube is extruded with an extruder, and the silicone strip is coated on the soft core or On the hard core (liquid nitrogen freezing method also does not need the tube core); the silicone hose is again covered with an outer layer of glue on the extruder, and then wrapped with a lead or cloth vulcanization protective layer; through a vulcanizing tank or salt bath vulcanization; finally dismantled Remove the vulcanization protective layer, pull out the tube core, crimp the upper pipe joint with the silicone strip, and sample for pressure inspection.      

In short, the manufacturing of high-pressure silicone hoses uses many equipment, many types of raw materials, and complex production processes. However, in recent years, the production process of hydraulic tubing with plastic or thermoplastic elastomer as the main raw material can be appropriately simplified. However, the price of raw materials for silicone strips is high, and rubber raw materials are still the main material.


Jack Gao 


International Department 

Shijiazhuang Standards Rubber Products Co., Ltd 

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f: +86-311-67267486 

a: No. 260, Tangu Nan Street, Yuhua District,Shijiazhuang,Hebei,China 

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